package com.tjbklx1.pattern2.chap32.c01_command;

public abstract class AbstractCmd {
	// 对接收者的引用
	protected IReceiver zip = new ZipReceiver();
	protected IReceiver gzip = new GzipReceiver();

	// 抽象方法，命令的具体单元
	public abstract boolean execute(String source, String to);
}